EXPERTS IN ELECTRIC VEHICLE DEVELOPMENT: FROM THE RACE TRACK TO INDUSTRIAL SOLUTIONS
Ulbi d.o.o., widely recognized for its high-performance e-bike brand Qulbix, is leveraging its extensive engineering expertise to offer specialized electric vehicle (EV) development services to external companies.
Proven in the Ultimate Testing Ground The Qulbix Team has been at the forefront of electric racing since 2019, when they participated in the first-ever FIM E-Bike Cross Proto World Cup and secured first place. For Ulbi d.o.o., racing is more than a competition—it is the ultimate environment to push vehicle limits, testing durability, power density, and thermal management under extreme conditions.
Proven in the Ultimate Testing Ground The Qulbix Team has been at the forefront of electric racing since 2019, when they participated in the first-ever FIM E-Bike Cross Proto World Cup and secured first place. For Ulbi d.o.o., racing is more than a competition—it is the ultimate environment to push vehicle limits, testing durability, power density, and thermal management under extreme conditions.

Over 15 Years of Automotive R&D Excellence
Our foundation is built on more than 15 years of rigorous research and development within the automotive industry. This deep-rooted experience allows Ulbi d.o.o. to navigate complex engineering challenges and adhere to the highest industrial standards of quality and safety.

Comprehensive EV Development Services
In addition to manufacturing products under the Qulbix brand, Ulbi d.o.o. provides end-to-end electric vehicle development services. From initial conceptualization and prototyping to final optimization, we help companies accelerate their path to innovation in the rapidly evolving world of e-mobility.

